81345992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5881}}^1$

素因数の和:5926

約数の個数: 64

約数和(自身を含む): 197635200

約数和(自身を除く): 116289208

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 5881, 6916, 11762, 13832, 23524, 41167, 47048, 76453, 82334, 111739, 152906, 164668, 223478, 305812, 329336, 446956, 535171, 611624, 782173, 893912, 1070342, 1452607, 1564346, 2140684, 2905214, 3128692, 4281368, 5810428, 6257384, 10168249, 11620856, 20336498, 40672996, 81345992]

約数ペア:

[(1, 81345992), (2, 40672996), (4, 20336498), (7, 11620856), (8, 10168249), (13, 6257384), (14, 5810428), (19, 4281368), (26, 3128692), (28, 2905214), (38, 2140684), (52, 1564346), (56, 1452607), (76, 1070342), (91, 893912), (104, 782173), (133, 611624), (152, 535171), (182, 446956), (247, 329336), (266, 305812), (364, 223478), (494, 164668), (532, 152906), (728, 111739), (988, 82334), (1064, 76453), (1729, 47048), (1976, 41167), (3458, 23524), (5881, 13832), (6916, 11762)]